Traders work on the floor of the New York Stock Exchange.

Check out which companies are making headlines before the bell:

Comcast – The NBCUniversal and CNBC parent reported adjusted fourth-quarter profit of 49 cents per share, 2 cents a share above estimates. Revenue topped forecasts, as well, and Comcast announced a 21 percent dividend increase. The company also said it would repurchase at least $5 billion in stock this year.